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Dr. Richard A Messian, MD

(Dr. Richard Augustus Messian, M.D.)

(5 Ratings)

Specializes in: Adult Gastroenterology

2415 High School Avenue Suite 100
Concord, CA 94520

(925) 687-9650

Dr. Richard A Messian, MD is a gastroenterologist in Concord, CA specializing in adult gastroenterology.

Office Locations

2415 High School Avenue Suite 100
Concord, CA 94520

(925) 687-9650

(925) 685-8447

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Richard A Messian, MD treated as a gastroenterologist in Concord, CA during 2012 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Richard A Messian, MD for Medicare patients.

balloon dilation	20
diagnostic procedures	205
doctor visit	408
esophageal dilation	20
gastrointestinal procedures	298
hospital care	40
injections	14
inpatient care	40
minimally invasive procedures	298
preventive care	59
removal of lesion (e.g. growth)	205

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Richard A Messian, MD treated as a gastroenterologist in Concord, CA during 2013 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Richard A Messian, MD for Medicare patients.

diagnostic procedures	161
doctor visit	340
gastrointestinal procedures	236
injections	12
minimally invasive procedures	236
preventive care	63
removal of lesion (e.g. growth)	161

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard A Messian, MD.

**Gender**
Male	157
Female	199

**Ethnicity**
Non-Hispanic White	309
Black	0
Hispanic	18
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	184
From 75 to 84	109
85 and over	40
Less than 65	23

Conditions of Medicare patients treated by Dr. Richard A Messian, MD in 2013

Hypertension	64
High Cholesterol	57
Stroke	3
Ischemic Heart Disease	22
Depression	15
Chronic Kidney Disease	23
Asthma	6
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	10
Diabetes	24
Dementia	5
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Richard A Messian, MD treated as a gastroenterologist in Concord, CA during 2014 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Richard A Messian, MD for Medicare patients.

diagnostic procedures	150
doctor visit	367
gastrointestinal procedures	207
minimally invasive procedures	207
preventive care	57
removal of lesion (e.g. growth)	150

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard A Messian, MD.

**Gender**
Male	174
Female	188

**Ethnicity**
Non-Hispanic White	304
Black	0
Hispanic	18
Asian	20
Other	0
Native American	0

**Age**
From 65 to 74	190
From 75 to 84	115
85 and over	34
Less than 65	23

Conditions of Medicare patients treated by Dr. Richard A Messian, MD in 2014

Hypertension	63
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	29
Depression	20
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	23
Dementia	4
Cancer	17

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Richard A Messian, MD treated as a gastroenterologist in Concord, CA during 2015 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Richard A Messian, MD for Medicare patients.

balloon dilation	16
diagnostic procedures	185
doctor visit	421
esophageal dilation	16
gastrointestinal procedures	291
injections	11
minimally invasive procedures	291
preventive care	79
removal of lesion (e.g. growth)	185

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard A Messian, MD.

**Gender**
Male	374
Female	402

**Ethnicity**
Non-Hispanic White	648
Black	30
Hispanic	40
Asian	34
Other	24
Native American	0

**Age**
From 65 to 74	406
From 75 to 84	252
85 and over	66
Less than 65	52

Conditions of Medicare patients treated by Dr. Richard A Messian, MD in 2015

Hypertension	62
High Cholesterol	61
Stroke	4
Ischemic Heart Disease	28
Depression	20
Chronic Kidney Disease	23
Asthma	10
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	28
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Richard A Messian, MD treated as a gastroenterologist in Concord, CA during 2016 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Richard A Messian, MD for Medicare patients.

diagnostic procedures	160
doctor visit	400
gastrointestinal procedures	238
minimally invasive procedures	238
preventive care	78
removal of lesion (e.g. growth)	160

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard A Messian, MD.

**Gender**
Male	197
Female	208

**Ethnicity**
Non-Hispanic White	343
Black	0
Hispanic	18
Asian	21
Other	0
Native American	0

**Age**
From 65 to 74	227
From 75 to 84	119
85 and over	34
Less than 65	25

Conditions of Medicare patients treated by Dr. Richard A Messian, MD in 2016

Hypertension	63
High Cholesterol	56
Stroke	3
Ischemic Heart Disease	24
Depression	20
Chronic Kidney Disease	22
Asthma	13
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	8
Chronic Obstructive Pulmonary Disease	9
Diabetes	25
Dementia	5
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Richard A Messian, MD treated as a gastroenterologist in Concord, CA during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Richard A Messian, MD for Medicare patients.

balloon dilation	14
diagnostic procedures	122
doctor visit	417
esophageal dilation	14
gastrointestinal procedures	212
minimally invasive procedures	212
preventive care	76
removal of lesion (e.g. growth)	122

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard A Messian, MD.

**Gender**
Male	168
Female	184

**Ethnicity**
Non-Hispanic White	295
Black	0
Hispanic	17
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	192
From 75 to 84	117
85 and over	28
Less than 65	15

Conditions of Medicare patients treated by Dr. Richard A Messian, MD in 2017

Hypertension	63
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	28
Depression	20
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	24
Dementia	5
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Richard A Messian, MD treated as a gastroenterologist in Concord, CA during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Richard A Messian, MD for Medicare patients.

balloon dilation	14
diagnostic procedures	129
doctor visit	439
esophageal dilation	14
gastrointestinal procedures	196
minimally invasive procedures	196
preventive care	53
removal of lesion (e.g. growth)	129

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard A Messian, MD.

**Gender**
Male	171
Female	186

**Ethnicity**
Non-Hispanic White	286
Black	0
Hispanic	30
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	191
From 75 to 84	124
85 and over	28
Less than 65	14

Conditions of Medicare patients treated by Dr. Richard A Messian, MD in 2018

Hypertension	64
High Cholesterol	66
Stroke	4
Ischemic Heart Disease	29
Depression	21
Chronic Kidney Disease	26
Asthma	9
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	30
Dementia	4
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Richard A Messian, MD treated as a gastroenterologist in Concord, CA during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Richard A Messian, MD for Medicare patients.

diagnostic procedures	60
doctor visit	192
gastrointestinal procedures	80
minimally invasive procedures	80
preventive care	20
removal of lesion (e.g. growth)	60

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Richard A Messian, MD.

**Gender**
Male	111
Female	116

**Ethnicity**
Non-Hispanic White	184
Black	0
Hispanic	15
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	113
From 75 to 84	82
85 and over	20
Less than 65	12

Conditions of Medicare patients treated by Dr. Richard A Messian, MD in 2019

Hypertension	70
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	30
Depression	22
Chronic Kidney Disease	33
Asthma	11
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2019

Volume of procedures performed by Dr. Richard A Messian, MD for Medicare patients.

The highest averages for the top procedures that Dr. Richard A Messian, MD treated as a gastroenterologist in Concord, CA were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

balloon dilation	16
diagnostic procedures	146
doctor visit	373
esophageal dilation	16
gastrointestinal procedures	219
hospital care	40
injections	12
inpatient care	40
minimally invasive procedures	219
preventive care	60
removal of lesion (e.g. growth)	146

Average Medicare Patient Data From 2012 - 2019

Information about Medicare patients treated by Dr. Richard A Messian, MD.

**Gender**
Female	185
Male	169

**Ethnicity**
Black / African American	3
Asian / Pacific Islander	17
Non-Hispanic White	296
Native American / Alaskan Native	0
Hispanic	19
Other	3

**Age**
85 and over	31
75 to 84	114
Less than 65	20
65 to 74	187

Average of Total of Conditions of Medicare patients treated by Dr. Richard A Messian, MD From 2012 - 2019

The highest averages of the most common conditions of Medicare patients that Dr. Richard A Messian, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	56
High Cholesterol	52
Stroke	2
Ischemic Heart Disease	23
Depression	17
Chronic Kidney Disease	22
Asthma	7
Osteoporosis	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	9
Diabetes	22
Atrial Fibrillation	10
Dementia	4
Cancer	12

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

Dr. Richard A Messian, MD has a good overall rating with an average of 2.6 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Richard A Messian, MD from all over the web to help you find the right in Concord, CA.

2.6

Overall Rating

(5 Ratings)

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General Payments

These charts describe general payments received by Dr. Richard A Messian, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Gilead Sciences Inc	$1,064 Epclusa $396	Harvoni $243	Viread $226	$199
AbbVie, Inc.	$370 Humira $160	Mavyret $110	$100
Allergan Inc.	$224 VIBERZI $118	LINZESS $106
Gilead Sciences, Inc.	$170 Epclusa $124	$46
Takeda Pharmaceuticals America, Inc.	$143 ENTYVIO $126	Dexilant $10	AMITIZA $7
Other	$908 Manometry $119	LINX $113	LINX Reflux Management System $105	OLYSIO $101	LINZESS $60	Other $409